3r+2=7

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Solution for 3r+2=7 equation: 



3r+2=7

We move all terms to the left:

3r+2-(7)=0

We add all the numbers together, and all the variables

3r-5=0

We move all terms containing r to the left, all other terms to the right

3r=5

r=5/3

r=1+2/3

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